Articles on Indian culture, science, and history in Scribner's Encyc. of
India (18 articles),
Encyclopaedia of Biography for Astronomers,
Continuum Encyclopaedia of the Popular Music of the World (3 articles on music of
Jammu and Kashmir), Grolier Encycl. (mathematics),
Macmillan Encycl. of Science, Technology, and Ethics,
Kluwer Encyclopaedia on Non-Western Science (mathematics, astronomy, inoculation).

The Wonder That Was Kashmir. In "Kashmir and its People: Studies in the
Evolution of Kashmiri Society." M.K. Kaw (ed.), A.P.H., New Delhi, 2004.
ISBN 81-7648-537-3.

In a book on
"Astronomy Across Cultures: The History of Non-Western Astronomy", Helaine
Selin (editor), Kluwer Academic, Boston, 2000, pp. 303-340. This book is in the
Kluwer Series on "Science Across Cultures: The History of Non-Western Science"